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Finding the Fourth Proportional to 206,728.04, 310,093.28 and 73,613.48

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Solution

The fourth proportional to 206,728.04, 310,093.28 and 73,613.48 is: 110,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,728.04 : 310,093.28 = 73,613.48 : x
  2. Step 2: Convert to fraction form
    206,728.04/310,093.28 = 73,613.48/x
  3. Step 3: Cross multiply
    206,728.04x = 310,093.28 × 73,613.48
  4. Step 4: Simplify right side
    206,728.04x = 22,827,045,465.41
  5. Step 5: Solve for x
    x = 22,827,045,465.41/206,728.04
  6. Step 6: Final answer
    x = 110,420.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.